/Engine/Source/Runtime/Engine/Classes/Engine/AssetManager.h
Sees if the passed in object is a registered primary asset, if so return it. Returns invalid Identifier if not found
virtual [FPrimaryAssetId](API\Runtime\CoreUObject\UObject\FPrimaryAssetId) GetPrimaryAssetIdForObject ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * Object ) const